Closure for a companionway of a boat



FIG. 1 is a top and front perspective view of a closure for a companionway of a boat showing our new design, the closure being attached to a sailboat which is shown in broken lines for illustrative purposes only and forming no part of the claimed design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a rear elevational view thereof; and,

FIG. 7 is a left side elevational view thereof. 

The ornamental design for a closure for a companionway of a boat, as shown and described. 